1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "resource_request_body_qt.h"
#include "type_conversion.h"
#include "services/network/public/cpp/resource_request_body.h"
#include "services/network/public/mojom/data_pipe_getter.mojom.h"
#include "services/network/public/mojom/url_request.mojom-shared.h"
#include "mojo/public/cpp/bindings/remote.h"
namespace QtWebEngineCore {
ResourceRequestBody::ResourceRequestBody(network::ResourceRequestBody *requestBody, QObject *parent)
: QIODevice(parent)
, m_requestBody(requestBody)
, m_dataElementsIdx(0)
, m_dataElementBytesIdx(0)
, m_dataElementFileIdx(0)
{};
ResourceRequestBody::~ResourceRequestBody(){};
qint64 ResourceRequestBody::readData(char *data, qint64 maxSize)
{
if (!m_requestBody)
return -1;
const std::size_t dataElementsSize = m_requestBody->elements()->size();
if (m_dataElementsIdx == dataElementsSize)
return -1;
qint64 bytesRead = 0;
const std::vector<network::DataElement> *elements = m_requestBody->elements();
while (bytesRead < maxSize && m_dataElementsIdx < dataElementsSize) {
const network::DataElement ¤tDataElement = elements->at(m_dataElementsIdx);
switch (currentDataElement.type()) {
case network::mojom::DataElementDataView::Tag::kBytes: {
readDataElementBytes(currentDataElement.As<network::DataElementBytes>().bytes(),
bytesRead, maxSize, &data);
break;
}
case network::mojom::DataElementDataView::Tag::kFile: {
const network::DataElementFile file = currentDataElement.As<network::DataElementFile>();
const qint64 offset = file.offset();
const qint64 length = file.length();
readDataElementFile(file.path(), offset, length, bytesRead, maxSize, &data);
break;
}
case network::mojom::DataElementDataView::Tag::kDataPipe: {
mojo::Remote<network::mojom::DataPipeGetter> pipeGetter;
pipeGetter.Bind(
currentDataElement.As<network::DataElementDataPipe>().CloneDataPipeGetter());
const mojo::ScopedHandleBase<mojo::DataPipeConsumerHandle> consumerHandle =
getConsumerHandleFromPipeGetter(pipeGetter);
readDataElementPipe(consumerHandle, bytesRead, maxSize, &data);
break;
}
case network::mojom::DataElementDataView::Tag::kChunkedDataPipe: {
setErrorString(QStringLiteral("Chunked data pipe is used in request body upload, which "
"is currently not supported"));
// Nothing should come before or after DataElementChunkedDataPipe
return -1;
}
}
if (bytesRead == maxSize || m_dataElementsIdx == dataElementsSize)
break;
}
return bytesRead;
}
// We don't want to write, ever
qint64 ResourceRequestBody::writeData(const char *data, qint64 maxSize)
{
return -1;
}
bool ResourceRequestBody::isSequential() const
{
return true;
}
void ResourceRequestBody::readDataElementBytes(const std::vector<uint8_t> &dataElement,
qint64 &bytesRead, const qint64 &maxSize,
char **data)
{
const std::size_t dataElementSize = dataElement.size();
const std::size_t bytesToRead = std::min(dataElementSize, static_cast<std::size_t>(maxSize));
std::memcpy(*data, dataElement.data(), bytesToRead);
*data += bytesToRead;
m_dataElementBytesIdx += bytesToRead;
bytesRead += bytesToRead;
if (m_dataElementBytesIdx == dataElementSize) {
m_dataElementsIdx++;
m_dataElementBytesIdx = 0;
}
}
void ResourceRequestBody::readDataElementFile(const base::FilePath &filePath, const qint64 &offset,
const qint64 &length, qint64 &bytesRead,
const qint64 &maxSize, char **data)
{
QFile file(toQt(filePath.value()));
const qint64 realOffset = offset + m_dataElementFileIdx;
const std::size_t fileSize = std::min(file.size(), length) - realOffset;
const std::size_t bytesToRead = std::min(fileSize, static_cast<std::size_t>(maxSize));
file.open(QFile::ReadOnly);
file.seek(realOffset);
std::memcpy(*data, file.read(bytesToRead).data(), bytesToRead);
*data += bytesToRead;
m_dataElementFileIdx += bytesToRead;
bytesRead += bytesToRead;
file.close();
if (m_dataElementFileIdx == fileSize) {
m_dataElementsIdx++;
m_dataElementFileIdx = 0;
}
}
mojo::ScopedHandleBase<mojo::DataPipeConsumerHandle>
ResourceRequestBody::getConsumerHandleFromPipeGetter(
mojo::Remote<network::mojom::DataPipeGetter> &pipeGetter)
{
mojo::ScopedHandleBase<mojo::DataPipeProducerHandle> producerHandle;
mojo::ScopedHandleBase<mojo::DataPipeConsumerHandle> consumerHandle;
mojo::CreateDataPipe(nullptr, producerHandle, consumerHandle);
base::WeakPtrFactory<ResourceRequestBody> weakPtrFactory{ this };
pipeGetter->Read(std::move(producerHandle),
base::BindOnce(&ResourceRequestBody::pipeGetterOnReadComplete,
weakPtrFactory.GetWeakPtr()));
return consumerHandle;
}
void ResourceRequestBody::readDataElementPipe(
const mojo::ScopedHandleBase<mojo::DataPipeConsumerHandle> &consumerHandle,
qint64 &bytesRead, const qint64 &maxSize, char **data)
{
MojoResult result;
do {
uint32_t bytesToRead = 1;
result = consumerHandle->ReadData(*data, &bytesToRead, MOJO_READ_DATA_FLAG_NONE);
if (result == MOJO_RESULT_OK) {
*data += bytesToRead;
bytesRead += bytesToRead;
} else if (result != MOJO_RESULT_SHOULD_WAIT && result != MOJO_RESULT_FAILED_PRECONDITION) {
setErrorString(QString::fromLatin1("Error while reading from data pipe, skipping"
"remaining content of data pipe. Mojo error code: ")
+ QString::number(result));
}
} while ((result == MOJO_RESULT_SHOULD_WAIT || result == MOJO_RESULT_OK)
&& bytesRead < maxSize);
m_dataElementsIdx++;
}
void ResourceRequestBody::pipeGetterOnReadComplete(int32_t status, uint64_t size) { }
void ResourceRequestBody::appendFilesForTest(const QString &path)
{
if (!m_requestBody)
return;
base::FilePath filePath = toFilePath(path);
m_requestBody->elements_mutable()->push_back(static_cast<network::DataElement>(
network::DataElementFile(filePath, 0, 23, base::Time())));
m_requestBody->elements_mutable()->push_back(static_cast<network::DataElement>(
network::DataElementFile(filePath, 10, 23, base::Time())));
}
} // namespace QtWebEngineCore
|
